Pili annulati: A report of 2 American families

David R. Berk, Susan J. Bayliss, Kathrin A. Giehl

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Pili annulati (PA) is a rare, benign, autosomal-dominant or sporadic hair shaft disorder characterized by scalp hair with a banded or speckled appearance. We present 2 American families with PA and highlight the characteristic clinical and microscopic features. Among the 2 families, a total of 11 individuals with PA were identified, spanning 3 generations in family 1 and 4 generations in family 2.

Original languageEnglish
Pages (from-to)254-257
Number of pages4
Issue number5
StatePublished - 2013


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